Nike Dart 12 Mens Running Shoes. Dart to the finish line in style and comfort. The Nike Dart 12 features an updated midfoot panel with dimensional no-sew overlays and strategically placed stitching for durable support that remains lightweight. The flex grooved outsole allows for a more natural foot motion and provides great traction on a range of surfaces. Comfortable and versatile, the Nike Dart 12 will become a go-to option for lengthy runs or casual walks.